WO2020080581A1 - Conducteur extensible pour dispositif pouvant être porté, dispositif de connexion utilisant ledit conducteur extensible, électrode flexible, élément électronique et leur procédé de fabrication - Google Patents

Conducteur extensible pour dispositif pouvant être porté, dispositif de connexion utilisant ledit conducteur extensible, électrode flexible, élément électronique et leur procédé de fabrication Download PDF

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Publication number
WO2020080581A1
WO2020080581A1 PCT/KR2018/012412 KR2018012412W WO2020080581A1 WO 2020080581 A1 WO2020080581 A1 WO 2020080581A1 KR 2018012412 W KR2018012412 W KR 2018012412W WO 2020080581 A1 WO2020080581 A1 WO 2020080581A1
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WO
WIPO (PCT)
Prior art keywords
stretchable conductor
manufacturing
wearable device
metal
stretchable
Prior art date
Application number
PCT/KR2018/012412
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English (en)
Korean (ko)
Inventor
황희선
정수환
이예인
Original Assignee
한국로봇융합연구원
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Publication of WO2020080581A1 publication Critical patent/WO2020080581A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/008—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing extensible conductors or cables

Definitions

  • the present invention relates to a stretchable conductor for a next-generation wearable device, a connecting device using the stretchable conductor, a flexible electrode, an electronic device, and a method of manufacturing the same.
  • Nanofibers is a very fine fiber with a very small diameter of about 1um or less has many applications such as medical materials, filters, MEMS, nano devices.
  • the nanofibers have a very large surface area per unit mass, are flexible, have a lot of microcavities, and have a large number of fibers per unit area, so they can be blended with other materials and have a large dispersion of external stress.
  • Electrospinning is one of the methods for manufacturing nanofibers.
  • the electrospinning device used in the electrospinning method consists of a spinning tip from which a solution comes out, a high voltage device, and a collector in which nanofibers are collected.
  • Nanofibers are formed in the collecting plate by applying a high voltage to the spinning tip to charge the droplets from the ejecting section and ejecting the stream from the droplets by electrostatic repulsion.
  • Nanofibers can be prepared using microfluidic technology.
  • a device composed of an injection tube and a collection tube is used. If the middle fluid and the outer fluid are different and pushed under external pressure, the core shell structure is formed. Nanofibers can be made.
  • nanofibers have a very large surface area, it is possible to maximize the diversity of functions of the surface. For example, it can be used to manufacture a functional nano device, such as forming a stretchable electrode by forming a semiconductor nano wire on a nanofiber.
  • a functional nano device such as forming a stretchable electrode by forming a semiconductor nano wire on a nanofiber.
  • Functional nano devices enable stretchable electronics, wearable devices, and the like.
  • stretchable electrodes have been applied to various fields such as artificial electronic skin, curved displays, and tension sensors.
  • various tensile sensors such as health rehabilitation treatment, personal health monitoring, structural defect monitoring, and sports player performance monitoring, have been re-examined, studies on flexible, flexible, and tensile-sensitive tensile sensors have been actively conducted.
  • high elasticity and high sensitivity tensile sensors have been applied to fields such as biomechanics, physiology, and kinesiology that require relatively large deformation.
  • An object of the present invention is to provide a flexible conductor for a wearable device that can be utilized, a connecting device using the flexible conductor, a flexible electrode, and a method of manufacturing the same.
  • a one-body nanonetwork structure is formed on the surface of the Au layer through a heat treatment process, and an unnecessary portion is etched to form a one-body Au nanomesh.
  • the purpose of the invention is to provide a flexible conductor for a wearable device, a connecting device using the flexible conductor, and a flexible electrode, which is manufactured by transferring a one-body Au nanomesh to a cable-shaped polyurethane substrate.
  • the metal nanofibers are fabricated in a one-body network structure, and the metal nanofibers are connected as one, thereby minimizing the contact resistance between the fibers, thereby reducing the initial resistance of the wearable device. It is an object to provide a connection device, a flexible electrode and a manufacturing method using the same.
  • the initial resistance can be controlled according to the number of times a metal one-body nanomesh is wound on a cable-type substrate, and the maximum changeable range can be secured by measuring the storage change according to the extension of the conductor.
  • An object of the present invention is to provide a flexible conductor for a wearable device, a connecting device using the flexible conductor, a flexible electrode, and a method of manufacturing the same.
  • a first object of the present invention is a method of manufacturing a stretchable conductor, comprising: a first step of manufacturing a polymer nanoconductor web; A second step of forming a polymer one-body nanonetwork structure through a heat treatment process; And a third step of manufacturing a one-body metal nanomesh through an etching process; it can be achieved as a method of manufacturing a stretchable conductor for a wearable device.
  • the first step it may be characterized in that to manufacture a polymer nano-conductor web having a network structure using electrospinning.
  • the second step it may be characterized by forming a polymer one-body nano-network structure on the surface of the metal layer through a heat treatment process.
  • the metal may be characterized in that Au.
  • the polymer mask may be removed to produce a metal one-body nanomesh.
  • metal one-body nanomesh may be characterized in that one metal nanofiber is integrally connected.
  • the fourth step of winding the metal one-body nanomesh on a cable-shaped substrate to produce a stretchable conductor may further include a.
  • the substrate may be characterized in that the polyurethane.
  • the initial resistance is reduced and the maximum stretchable range can be increased.
  • the second object of the present invention can be achieved as a stretchable conductor characterized by being manufactured by the manufacturing method according to the first object mentioned above.
  • the third object of the present invention can be achieved as a connection device for a wearable device, characterized in that it uses a stretchable conductor according to the aforementioned second object.
  • the fourth object of the present invention can be achieved as a flexible electrode characterized by using a stretchable conductor according to the aforementioned second object.
  • the fifth object of the present invention can be achieved as an electronic device characterized by using a stretchable conductor according to the aforementioned second object.
  • the flexible conductor for a wearable device a connecting device using the flexible conductor, a flexible electrode, and a method of manufacturing the flexible electronic device having a high conductivity can be used to develop a high-performance flexible display, clothing and biosensors in the future. It has an effect that can be used to manufacture wearable devices.
  • a stretchable conductor for a wearable device, a connecting device using the stretchable conductor, a flexible electrode, and a method of manufacturing the polymer nanobody are prepared on the surface of the Au layer through a heat treatment process after preparing the polymer nanoweb ( One-body) After forming a nano-network structure and etching unnecessary parts to produce a one-body Au nanomesh, the one-body Au nanomesh can be transferred to a polyurethane substrate in the form of a cable to produce it.
  • the metal nanofiber is connected to one by using a one-body network structure It has the effect of minimizing the contact resistance between fibers, thereby lowering the initial resistance.
  • the initial resistance is determined according to the number of times a metal mesh is wound on a cable-shaped substrate. It is possible to control and measure the storage change according to the elongation of the conductor to ensure the maximum possible elongation.
  • a connecting device using the stretchable conductor, a flexible electrode, and a method of manufacturing the same it has an advantage of contributing to building an optimal base for improving the manufacturing technology of the stretchable electronic device.
  • FIG. 1 is a flowchart of a method for manufacturing a stretchable conductor according to an embodiment of the present invention
  • FIG. 2 to 7 is a schematic view showing a method of manufacturing a stretchable conductor according to an embodiment of the present invention
  • Figure 2 is a perspective view of a polymer nanoconductor web having a network structure using electrospinning
  • FIG. 3 is a perspective view of a one-body nano-network structure produced through a heat treatment process according to an embodiment of the present invention
  • FIG. 4 and 5 is a perspective view of a metal one-body nano-mesh produced by removing the polymer mask after etching according to an embodiment of the present invention
  • Figure 6 is a schematic diagram of a state of transferring a metal one-body nanomesh according to an embodiment of the present invention to a polyurethane substrate in the form of a cable,
  • FIG. 7 is a perspective view of a stretchable conductor according to an embodiment of the present invention.
  • FIG. 8 is a scanning electron micrograph of a metal elastic conductor having a one-body nanonetwork structure according to an embodiment of the present invention
  • FIG. 9 is an optical micrograph of a metal stretchable conductor having a one-body nanonetwork structure according to an embodiment of the present invention.
  • FIG. 10 is a photograph of a metal nanomesh having a one-body nanonetwork structure produced according to an embodiment of the present invention
  • FIG. 11 is a photograph of a stretchable conductor produced according to an embodiment of the present invention.
  • a component when referred to as being on another component, it means that it may be formed directly on another component, or a third component may be interposed between them.
  • a third component may be interposed between them.
  • the thickness of the components is exaggerated for effective description of the technical content.
  • Embodiments described herein will be described with reference to cross-sectional views and / or plan views, which are ideal exemplary views of the present invention.
  • the thicknesses of the films and regions are exaggerated for effective description of technical content. Therefore, the shape of the exemplary diagram may be modified by manufacturing technology and / or tolerance. Therefore, the embodiments of the present invention are not limited to the specific shapes shown, but also include changes in shapes generated according to the manufacturing process. For example, the area illustrated at a right angle may be rounded or have a shape having a predetermined curvature. Therefore, the regions illustrated in the drawings have properties, and the shapes of the regions illustrated in the drawings are for illustrating a specific shape of the region of the device and are not intended to limit the scope of the invention.
  • terms such as first and second are used to describe various components, but these components should not be limited by these terms. These terms are only used to distinguish one component from another component.
  • the embodiments described and illustrated herein also include its complementary embodiments.
  • the flexible conductor according to the embodiment of the present invention can be applied to a connection device, a remnant element, a flexible electrode, a biosensor, and a high-performance flexible display applicable to a next-generation wearable device.
  • FIG. 1 is a flowchart of a method of manufacturing a stretchable conductor according to an embodiment of the present invention. As shown in FIG. 1, a polymer nanoconductor web is first manufactured.
  • FIG. 2 to 7 is a schematic diagram showing a method of manufacturing a stretchable conductor according to an embodiment of the present invention
  • Figure 2 is a perspective view of a polymer nanoconductor web 10 having a network structure using electrospinning.
  • a multi-layer thin film in which a silicon (Si) layer (1), a chromium (Cr) layer (2), and a gold (Au) layer (3) are stacked is used to have a network structure using electrospinning.
  • the polymer nanoconductor web 10 is manufactured (S1).
  • a polymer one-body nano network structure 20 is formed through a heat treatment process (S2). 3 shows a perspective view of a one-body nanonetwork structure 20 manufactured through a heat treatment process according to an embodiment of the present invention. That is, as shown in Figure 3, it can be seen that the polymer one-body nano-network structure 20 is formed on the surface of the Au metal layer through a heat treatment process.
  • a one-body metal nanomesh 30 is manufactured through an etching process.
  • 4 and 5 are perspective views of a metal one-body nanomesh 30 manufactured by removing a polymer mask after etching according to an embodiment of the present invention.
  • FIG. 8 is a scanning electron micrograph of a metal stretchable conductor having a one-body nanonetwork structure according to an embodiment of the present invention
  • FIG. 9 is a metal stretchable conductor having a one-body nanonetwork structure according to an embodiment of the present invention It shows an optical micrograph of.
  • the Au metal one-body nanomesh 30 manufactured through S1 to S4 mentioned above is connected to one Au metal nanofiber 31 as shown in FIGS. 8 and 9. Therefore, it can be seen that the initial resistance can be lowered by minimizing the contact resistance between fibers.
  • FIG. 6 is a schematic diagram showing a state in which a metal one-body nanomesh 30 according to an embodiment of the present invention is transferred to a polyurethane substrate 40 in the form of a cable
  • FIG. 7 is stretchable according to an embodiment of the present invention It is a perspective view of a conductor.
  • the metal one-body nanomesh 30 is transferred to a cable-shaped substrate 40, and the substrate 40 is made of polyurethane.
  • FIG. 10 shows a photograph of a metal nanomesh 30 having a one-body nanonetwork structure manufactured according to an embodiment of the present invention.
  • Figure 11 shows a picture of a stretchable conductor 100 produced according to an embodiment of the present invention.
  • the initial resistance is reduced and the maximum stretchable range is increased.
  • the initial resistance decreases as the number of times the metal (Au) one-body nanomesh 30 is wound around the cable-shaped substrate 40, ,
  • the initial resistance when wound on the substrate three times was measured as 1.95 ⁇ .
  • the maximum range capable of stretching can be secured by measuring a change in resistance according to the stretching of the stretchable conductor 100.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Thermal Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

La présente invention concerne un conducteur extensible pour un dispositif pouvant être porté de nouvelle génération, un dispositif de connexion utilisant le conducteur extensible, une électrode flexible, un élément électronique et leur procédé de fabrication. Plus particulièrement, la présente invention concerne un procédé de fabrication d'un conducteur extensible pour un dispositif pouvant être porté, le procédé étant caractérisé en ce qu'il comprend : une première étape consistant à préparer une bande de nanoconducteur polymère ; une deuxième étape consistant à former une structure de nanoréseau polymère monocorps par l'intermédiaire d'un processus de traitement thermique ; et une troisième étape consistant à préparer un nanomaillage métallique monocorps par l'intermédiaire d'un processus de gravure.
PCT/KR2018/012412 2018-10-15 2018-10-22 Conducteur extensible pour dispositif pouvant être porté, dispositif de connexion utilisant ledit conducteur extensible, électrode flexible, élément électronique et leur procédé de fabrication WO2020080581A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180122717A KR102137805B1 (ko) 2018-10-15 2018-10-15 웨어러블 디바이스용 신축성 전도체, 그 신축성 전도체를 이용한 연결장치, 유연전극, 전자소자 및 그 제조방법
KR10-2018-0122717 2018-10-15

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WO2020080581A1 true WO2020080581A1 (fr) 2020-04-23

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KR102414928B1 (ko) 2022-03-16 2022-07-01 최신영 비말차단 가림판 내장형 책상

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JP2011192396A (ja) * 2010-03-11 2011-09-29 Panasonic Electric Works Co Ltd 透明導電膜形成用基板、透明導電膜付き基板、透明導電膜の製造方法
KR20160044325A (ko) * 2014-10-15 2016-04-25 에스케이이노베이션 주식회사 신축성 전도체의 제조방법
KR101630817B1 (ko) * 2014-12-10 2016-06-15 한국과학기술연구원 굴곡진 금속 나노와이어 네트워크, 이를 포함하는 신축성 투명전극 및 이의 제조방법
WO2016175458A1 (fr) * 2015-04-28 2016-11-03 고려대학교 산학협력단 Procédé de formation de grille métallique et dispositif à semi-conducteurs comportant une grille métallique
KR20170058895A (ko) * 2017-05-18 2017-05-29 인트리 주식회사 나노섬유 패턴을 구비한 광투과성 도전체 및 그 제조방법

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KR101732178B1 (ko) 2010-01-15 2017-05-04 삼성전자주식회사 나노 섬유-나노 와이어 복합체 및 그 제조방법
KR101982282B1 (ko) 2012-07-31 2019-05-24 삼성전자주식회사 신축 전도성 복합사, 그 제조방법 및 이를 포함하는 신축 전도성 복합 방적사
KR20140030975A (ko) 2012-09-04 2014-03-12 삼성전자주식회사 신축성 전도성 나노섬유 및 그 제조방법
KR101887481B1 (ko) 2016-09-19 2018-08-10 한국과학기술원 고신축성 3차원 전도성 나노 네트워크 구조체, 이의 제조 방법, 이를 포함하는 인장 센서 및 웨어러블 기기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011192396A (ja) * 2010-03-11 2011-09-29 Panasonic Electric Works Co Ltd 透明導電膜形成用基板、透明導電膜付き基板、透明導電膜の製造方法
KR20160044325A (ko) * 2014-10-15 2016-04-25 에스케이이노베이션 주식회사 신축성 전도체의 제조방법
KR101630817B1 (ko) * 2014-12-10 2016-06-15 한국과학기술연구원 굴곡진 금속 나노와이어 네트워크, 이를 포함하는 신축성 투명전극 및 이의 제조방법
WO2016175458A1 (fr) * 2015-04-28 2016-11-03 고려대학교 산학협력단 Procédé de formation de grille métallique et dispositif à semi-conducteurs comportant une grille métallique
KR20170058895A (ko) * 2017-05-18 2017-05-29 인트리 주식회사 나노섬유 패턴을 구비한 광투과성 도전체 및 그 제조방법

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KR102137805B1 (ko) 2020-07-27

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